445045431122 has 16 divisors (see below), whose sum is σ = 681791789952. Its totient is φ = 217781779920.

The previous prime is 445045431109. The next prime is 445045431137. The reversal of 445045431122 is 221134540544.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5480597 + ... + 5561207.

It is an arithmetic number, because the mean of its divisors is an integer number (42611986872).

Almost surely, 2^445045431122 is an apocalyptic number.

445045431122 is a deficient number, since it is larger than the sum of its proper divisors (236746358830).

445045431122 is a wasteful number, since it uses less digits than its factorization.

445045431122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139393.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 445045431122 its reverse (221134540544), we get a palindrome (666179971666).

The spelling of 445045431122 in words is "four hundred forty-five billion, forty-five million, four hundred thirty-one thousand, one hundred twenty-two".